.zhuye_div {
    width: 80%;
    margin: 0 auto;
    padding-top: 50px;
    height: 500px;
}

.zhuye_div .img {
    width: 100%;
    height: 400px;
    background: url(../images/c/wmkj.jfif) no-repeat center;
    background-size: cover;
}

.zhuye_div .chart {
    margin-top: 50px;
    height: 300px;
}

.zhuye_div .chart>div {
    padding-top: 30px;
    float: left;
    height: 300px;
    width: 30%;
    margin-right: 3%;
}

@media (max-width:1300px) {
    .zhuye_div .chart>div {
        width: 45%;
    }
    .chart .chart_right {
        display: none;
    }
}

@media (max-width:1100px) {
    .zhuye_div .chart .chart_left {
        width: 60%;
    }
    .zhuye_div .chart>div:nth-child(n+2) {
        display: none;
    }
}